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RE: c++ exceptions in shared library results in crash
- From: Rainer Hochreiter <rainer at hochreiter dot at>
- To: cygwin at cygwin dot com
- Date: Thu, 13 Jan 2005 14:16:41 +0100
- Subject: RE: c++ exceptions in shared library results in crash
- References: <001e01c4f951$7bf2bf70$6b4861cb@DANNY>
On Thu, 13 Jan 2005 22:23:02 +1300, Danny Smith wrote:
> From: "Rainer Hochreiter"
> --------------------------------------------------------------------------------
>
>> throwing an exception in the shared library results in a core dump of the
>> binary executable - but only for the cross-compiled version!
>
> cygwin and mingw gcc sources contain a local patch to allow
> throwing C++ exceptions across dll/exe boundaries. These
> local hacks have never been submitted to FSF GCC lists. Without
> this patch, one option you have to allow exceptions across dll/exe
> boudaries is to build libstdc++.a and libgcc.a as dlls. This is not done by GCC
> makefiles, but can be done done manually. Libstdc++ dll relies on auto-import
> functionality, so watch your pseudo-runtime-relocs (a techno name for "blue
> psuede shoes")
how can i found out whether my sources hace this patch included?
can you give me a hint, how to build libstdc++ and libgcc as dlls,
cause i'm not really familiar with auto-import and
pseudo-runtime-relocs???
Rainer
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